Home / 13,149.82-19,724.90-4,384.73

Finding the Fourth Proportional to 13,149.82, 19,724.90 and 4,384.73

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Solution

The fourth proportional to 13,149.82, 19,724.90 and 4,384.73 is: 6,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.82 : 19,724.90 = 4,384.73 : x
  2. Step 2: Convert to fraction form
    13,149.82/19,724.90 = 4,384.73/x
  3. Step 3: Cross multiply
    13,149.82x = 19,724.90 × 4,384.73
  4. Step 4: Simplify right side
    13,149.82x = 86,488,338.85
  5. Step 5: Solve for x
    x = 86,488,338.85/13,149.82
  6. Step 6: Final answer
    x = 6,577.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.